/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.linkis.manager.am.selector;

import org.apache.linkis.manager.label.entity.Label;
import org.apache.linkis.manager.label.entity.engine.EngineConnMode;
import org.apache.linkis.manager.label.entity.engine.EngineConnModeLabel;

import org.apache.commons.lang3.StringUtils;

import java.util.List;
import java.util.Optional;

class DefaultECAvailableRule implements ECAvailableRule {

  @Override
  public boolean isNeedAvailable(List<Label<?>> labels) {
    Optional<Label<?>> labelOptional =
        labels.stream().filter(label -> label instanceof EngineConnModeLabel).findFirst();
    if (!labelOptional.isPresent()) {
      return true;
    }

    EngineConnModeLabel engineConnModeLabel = (EngineConnModeLabel) labelOptional.get();
    return !StringUtils.equals(
        engineConnModeLabel.getEngineConnMode(), EngineConnMode.Once().toString());
  }
}
